Z-Ile-Ile

Also known as: (2S,3S)-2-((2S,3S)-2-(((Benzyloxy)carbonyl)amino)-3-methylpentanamido)-3-methylpentanoic acid, (2S,3S)-3-methyl-2-[[(2S,3S)-3-methyl-2-(phenylmethoxycarbonylamino)pentanoyl]amino]pentanoic acid, -2-((2S,3S), -3-methylpentanamido), Cbz-Ile-Ile-OH, Cbz-L-Ile-L-Ile-OH, EINECS 255-876-9, N-BENZYLOXYCARBONYL-L-ISOLEUCYL-L-ISOLEUCINE, N-CBZ-Ile-Ile, N-[N-[(benzyloxy)carbonyl]-L-isoleucyl]-L-isoleucine, Z-L-ISOLEUCYL-L-ISOLEUCINE

Z-Ile-Ile (CAS 42538-01-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H30N2O5 and a molecular weight of 378.46300 g/mol. Key properties include a boiling point of 598ºC at 760 mmHg, a density of 1.13g/cm3 and a flash point of 315.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42538-01-2
Jingsj CID: J-89706-3
Molecular Formula: C₂₀H₃₀N₂O₅
Molecular Weight: 378.46300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	598ºC at 760 mmHg
Density	1.13g/cm3
Flash Point	315.5ºC
Exact Mass	378.21500
PSA	104.73000
LogP	3.72480
Refractive Index	1.52

Activity & Biological Data

Additional Information	[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144.

Frequently Asked Questions

What is the CAS number of Z-Ile-Ile?

The CAS number of Z-Ile-Ile is 42538-01-2.

What are the molecular formula and molecular weight of Z-Ile-Ile?

Z-Ile-Ile has molecular formula C20H30N2O5 and molecular weight 378.46300 g/mol.

What are the upstream and downstream products of Z-Ile-Ile?

For Z-Ile-Ile, Upstream Products: N-Carbobenzyloxy-L-isoleucine, L-Isoleucine, (2,5-Dioxopyrrolidin-1-yl) (2S,3S)-3-methyl-2-((phenylmethoxy)carbonylamino)pentanoate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Z-Ile-Ile (CAS 42538-01-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89706-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.